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i7 950 running really hot, only at 3.8ghz/1.3v

post #1 of 10
Thread Starter 
I'm new to this forum, so forgive me if I say something stupid...

This is my first attempt at overclocking this CPU on a rig I built about 6 moths ago.

I'm running a Corsair H60 and an i7 950 (D0). I believe I have applied thermal paste well, (~bb size on surface cleanly spread after a cleaning and purifying solution applied), clamped down well (does not wiggle or jostle at all). Ambient temp is ~75F.

I'm doing this overclock largely off of a guide I read here, (http://www.overclock.net/intel-cpus/...920-930-a.html) and some other places where I learned a few terms and how they apply, and this is where I'm at so far:

Base clock up to 166mhz (23x)
QPI - 1.25v
dram - 1.64v
pll - 1.84v
Mem ratio at 4x (can't even boot past this)
Uncore 2x mem
VCore is set to +.1V from stock, you can see below.

and I'm getting this while running small FFTs on Prime95



Uploaded with ImageShack.us
(obviously picture was taken after I stopped the test when the temps got that high)
I mean... holy crap. I've read that i7 950's can tend to run a little on the hot side, but not nearly that hot.

Am I doing something waaay wrong?

Any tips on how to stay a little cooler?
post #2 of 10
Remount the cooler. If that doesn't work make sure the pump is working on it. You definitely shouldn't be running that hot.
post #3 of 10
Honestly, you should start small, and run test's then so on to get the best performance out of you're chip. Try to lower your vcore a bit, and raise the qpi, or maybe use 22x instead of 23x. Try different variations with the settings and dont go to high on them or you're chip will be toast. GL on your venture.
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post #4 of 10
Thread Starter 
Quote:
Originally Posted by SeanWebster View Post
Remount the cooler. If that doesn't work make sure the pump is working on it. You definitely shouldn't be running that hot.
I'll try that again, hopefully I just messed up last time. But everything seems to be running as it should. Maybe I can try to tweak the fan speeds a little. My PSU can handle.

Quote:
Originally Posted by Diminished View Post
Honestly, you should start small, and run test's then so on to get the best performance out of you're chip. Try to lower your vcore a bit, and raise the qpi, or maybe use 22x instead of 23x. Try different variations with the settings and dont go to high on them or you're chip will be toast. GL on your venture.
I'll drop down on the Vcore a bit and see if I'm still stable. I don't think I'm gonna be hitting the typical 4ghz though unless I can stay cool at a little bit of a higher Vcore, right? BTW, this isn't my first step either. I already did it once at ~3.4 with ~1.28 Vcore, and was still hitting 80's. From what I've read, I shouldn't be that hot that fast.

Could it possibly be the chip's fault?
post #5 of 10
I really doublt that the chip its self is the problem. I have mine at 1.35v @4.2GHz on a hyper 212+ with one fan and the max is 85C. You either need to remount or make sure the cooler is working properly. And make sure you put enough thermal paste. I do this much:


Edited by Sean Webster - 8/22/11 at 5:34pm
post #6 of 10
yes, your vcore is a bit on the high side.
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post #7 of 10
My settings are : 4 GHZ
21*191.
VCORE: 1.288
QPI: 1,281
PLL: 1,802

Idling at 40 C , ambient 25.
Max: 75-80C HT ON.
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post #8 of 10
I have my i7 920 currently sitting at 3.8ghz (200x19 / 1.25v) and using a corsair H70 and the temps stay below 80c at full load (IBT).

Vcore does seem a little high for 3.8, also try turning off any auto fan modes for the cpu fan connector which your corsair pump is probably connected to as this would restrict the pumps flow rate and cause higher temps.

Good luck.
 
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post #9 of 10
What computer case are you using? Is the H60 intaking or exhausting air? The H60's cooling abilities are also limited by the air you give it.
    
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by Epitope View Post
What computer case are you using? Is the H60 intaking or exhausting air? The H60's cooling abilities are also limited by the air you give it.
Good points. H60 is exhausting air. I'm using a Corsair 600T (http://www.newegg.com/Product/Produc...82E16811139005).

The intake is a 200mm fan on the front, and from all of the reviews that I read, this case actually provides fantastic airflow.

I'm going to try remounting the cooling block and scaling back on the Vcore now.
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